My OOO is almost always “I’m out of the office and will be returning on x date.” My email sig has instructions along the lines of “for questions on x, email this list” for a couple of the more common areas people would contact me about that might need an urgent reply (as the lists go to more than just me, obviously), but most people have finally figured out to contact those lists to start with, anyway. If I were in the middle of a project or something that needed to be moved along in my absence, the project teams usually know when we’re out, but I’d put a back up in that case, if needed, but generally there’s not much to be gained by a longer OOO from me.
During the holidays, you may also want to send holiday greetings to colleagues who are on the same team as you. In this situation, your message can be more casual and include inside jokes, depending on how close you are to your coworkers. Take a look at these holiday messages to colleagues.

Oh my gosh, this is funny! It does sound kinda like, “some things are more important than work, JAN.”
With that in mind, we’ve put together five simple examples of what your out-of-office message could look like, from the wild and wacky to the simple and fact-y. And if you’re not sure about the logistics of actually setting your auto-responder, here’s a quick guide on how to do that.